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Octagon - Wikipedia


In geometry, an octagon is an eight-sided polygon or 8-gon. A regular octagon has Schläfli symbol {8} ...

Cool math .com - Polygons - Octagons - properties, interior angles


Properties of octagons, interior angles of octagons Polygons: Properties of ... To find the sum of the interior angles of an octagon, divide it up into triangles.

Octagon in Geometry: Definition, Properties & Formula - Video ...


Octagons appear in real life in all sorts of places: architecture, engineering, and even nature. In this lesson, explore the properties of an octagon, learn how to ...

Octagon - Math is Fun


Octagon. An octagon is an 8-sided polygon (a flat shape with straight sides). Regular ... octagon regular, octagon irregular octagon concave ... Properties.

Octagon | Properties of an Octagon | TutorVista.com


A polygon which has 8 sides is known as an octagon. It is a two-dimensional closed shape. The word "octagon" is made up of octa + gonia which are Greek ...

Octagon | 8 Sided Polygon | Math@TutorVista.com


Octagon Properties. Given below are some important octagon facts: The number of octagon diagonals is 20. The sum of all interior angle = 1080 degrees.

Octagon - math word definition - Math Open Reference


... dragging any orange dot. By clicking on the top left command line, you can switch it between a regular and irregular octagon. ... Properties of regular octagons ...

Polygon Properties - Math.com


Sides. Name. n. N-gon. 3. Triangle. 4. Quadrilateral. 5. Pentagon. 6. Hexagon. 7. Heptagon. 8. Octagon. 10. Decagon. 12. Dodecagon ...

BBC - GCSE Bitesize: Angle properties of polygons


Angle properties of polygons. In your exam, you might be asked to ... What is the sum of the interior angles of an octagon? toggle answer. Answer. Did you get ...

Diagonals of a Regular Octagon in GRE Geometry - Magoosh


Sep 7, 2016 ... Students love to skip over the basics, asking questions like: How many vertices does an octagon have? How many diagonals does an octagon ...